Tungsten contact imports require 55% 2% tungsten and must match prescribed input proportions for export manufacturing. Standard input-output norms require Tungsten Contact to contain 55% 2% tungsten by weight; the listing gives specified unit weights for Tungsten Contact, Tungsten Rod, and Abrasive Wheel and records that the Tungsten Contact item is suspended by Public Notice No. 03/2024-25. Applicants must ensure imported goods conform to prescribed input proportions and actual usage in the export product, with authorities determining allowable input proportions for manufacture of resultant products.